AddRecent : add to recent file.

ChangeSymlink : move symlink to existing binary.

CheckDirExist : check if directory existdir=path to filereturn bool.

CheckDirHasTGBin : // check binary exist (TODO UNIT TEST).

Check if user has permission to directory :dir=path to filereturn bool.

CheckFileExist : check if file exist in directory.

CheckSymlink : check file is symlink.

ConvertExecutableExt : convert excutable with local OS extension.

CreateDirIfNotExist : create directory if directory does not exist.

CreateRecentFile : create a recent file.

CreateSymlink : create symlink.

DownloadFromURL : Downloads the binary from the source url.

GetCurrentDirectory : return the current directory.

GetFileName : remove file ext.

GetHomeDirectory : return the home directory.

GetInstallLocation : get location where the terraform binary will be installed, will create a directory in the home location if it does not exist.

GetRecentVersions : get recent version from file.

GetSemver : returns version that will be installed based on server constaint provided.

GetTFLatest : Get the latest terraform version given the hashicorp url.

GetTFLatestImplicit : Get the latest implicit terraform version given the hashicorp url.

GetTFList : Get the list of available terraform version given the hashicorp url.

GetTFURLBody : Get list of terraform versions from hashicorp releases.

Install : Install the provided version in the argument.

InstallableBinLocation : Checks if terraform is installable in the location provided by the user.If not, create $HOME/bin.

IsDirEmpty : check if directory is empty (TODO UNIT TEST).

NewCommand : get command.

Path : returns path of directory value=path to file.

Print invalid TF version.

Print invalid TF version.

ReadLines : Read a whole file into the memory and store it as array of lines.

RemoveDuplicateVersions : remove duplicate version.

RemoveFiles : remove file.

RemoveSymlink : remove symlink.

RenameFile : rename file name.

ValidateSemVer : Goes through the list of terraform version, return a valid tf version for contraint provided.

Unzip will decompress a zip archive, moving all files and folders within the zip file (parameter 1) to an output directory (parameter 2).

ValidMinorVersionFormat : returns valid MINOR version format For example: 0.1 = valid // For example: a.1.2 = invalid // For example: 0.1.2 = invalid */.

ValidVersionFormat : returns valid version format For example: 0.1.2 = valid // For example: 0.1.2-beta1 = valid // For example: 0.1.2-alpha = valid // For example: a.1.2 = invalid // For example: 0.1.

VersionExist : check if requested version exist.

WriteLines : writes into file.

Command : type string.